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Ilkka Seppälä
4108f86177
* Changed database implementation. Removed static objects. * Fix Logs * Fix 40 errors from checkstyle plugin run. 139 left)) * Fix CacheStore errors from checkstyle plugin 107 left * Fix last errors in checkstyle. * Fix sonar issues * Fix issues in VALIDATE phase * Fix Bug with mongo connection. Used "Try with resources" * Add test * Added docker-compose for mongo db. MongoDb db work fixed. * Provided missing tests * Comments to start Application with mongo. * Fix some broken links * Remove extra space * Update filename * Fix some links in localization folders * Fix link * Update frontmatters * Work on patterns index page * Work on index page * Fixes according PR comments. Mainly Readme edits. * fix frontmatter * add missing png * Update pattern index.md * Add index.md for Chinese translation * update image paths * update circuit breaker image paths * Update image paths for localizations * add generated puml * Add missing image * Update img file extensions * Update the rest of the EN and ZH patterns to conform with the new website Co-authored-by: Victor Zalevskii <zvictormail@gmail.com>
28 lines
1.0 KiB
Markdown
28 lines
1.0 KiB
Markdown
---
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title: Sharding
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category: Behavioral
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language: zh
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tags:
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- Performance
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- Cloud distributed
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---
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## 含义
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分片模式是指将数据存储划分为水平分区或分片。每个分片都有相同的模式，但持有自己独特的数据子集。
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一个分片本身就是一个数据存储（它可以包含许多不同类型的实体的数据），运行在作为存储节点的服务器上。
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## 类图
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## 适用场景
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这种设计模式提供了一下的好处：
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- 你可以通过增加在额外的存储节点上，运行的更多分片来实现系统扩容。
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- 系统可以使用现成的廉价硬件，而不是为每个存储节点使用专门（或者昂贵）的服务器硬件。
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- 你可以通过平衡各分片之间的工作负载来减少竞争，以提高性能。
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- 在云环境中，分片可以在物理上靠近访问该节点数据的用户。
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## 引用
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* [Sharding pattern](https://docs.microsoft.com/en-us/azure/architecture/patterns/sharding) |